9.2.1 Inspection may be made through the manholes.
Checks should be made for corrosion attacks, fouling and damage to:
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.1 scrubber shell and bottom;
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.2 cooling water pipes and spray nozzles (fouling);
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.3 float switches and temperature sensors;
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.4 other internals such as trays and demister
filters.
9.2.2 Checks should be made for damage to non-metallic
parts such as:
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.1 internal linings;
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.2 demisters;
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.3 packed beds.